Toyota Trailer Balls can handle all Toyota vehicle tow loads as specified in each vehicle owner's manual. They are made of cold forged steel and include built in wrench flats to ease installation and torqueing. In addition there are new graphics for bolder, brighter displays to dress up your TPC. The Lexus trailer ball, made specifically for use with Lexus tow hitches, completes the connection between your RX tow hitch and your trailer. Crafted of cold-forged steel for superior strength, the Lexus trailer ball includes built-in wrench flats for easy installation, and meets or exceeds all industry towing standards. Please consult your Lexus Dealer or Owner's Manual for towing and load specifications.